Regular Expressions 101

Positive Lookbehind(?<=\()

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\da Unicode decimal digit

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

\da Unicode decimal digit

.*?any Unicode character (except for line terminators), repeated any number of times

Positive Lookahead(?=\))

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?<=\()\d\d-?\d\d.*?(?=\))

New

random text here (00-04) more random text
lame text (junk data) more text (08-12)
random text (2008) 
random text (2005) junk text (junk)
nothing important (13-15) not important (not important)
nothing important (13-15 text) not important (not important)